bgpmap

BGP map for 154.209.21.0/24

154.209.21.0/24 is announced by AS23764 CTGNet and seen by 388 peers of 23 RIPE RIS collectors, over 287 different AS paths. Its busiest upstreams are AS6939 Hurricane Electric LLC (34%), AS24482 SG.GS (2%) and AS1299 TWELVE99 (2%). The most common path, used by 18 peers, is AS6939 AS23764.

Routes checked 11:02:00 UTC

No change in the origin, the upstreams or the number of peers since 04:36 UTC on 29 Oct, when this site first looked at 154.209.21.0/24.

AS-path graph toward 154.209.21.0/24
BGP map of 154.209.21.0/246 networks on the paths RIPE RIS collector peers use to reach 154.209.21.0/24. Best path, chosen by the most peers: AS6939 → AS23764.AS24482 → AS23764 · 9 routesAS8218 → AS23764 · 7 routesAS6461 → AS23764 · 5 routesAS13030 → AS23764 · 4 routesAS6939 → AS23764 · 18 routes · best pathAS23764 → 154.209.21.0/24 · 72 routes · best path9AS24482 → AS23764 · 9 routes7AS8218 → AS23764 · 7 routes5AS6461 → AS23764 · 5 routes4AS13030 → AS23764 · 4 routes18AS6939 → AS23764 · 18 routes · best path72AS23764 → 154.209.21.0/24 · 72 routes · best pathAS23764CTGNetAS23764 CTGNet · origin · 72 routes · on the best pathT2AS6939Hurricane Electric LLCAS6939 Hurricane Electric LLC · Tier 2 · 18 routes · on the best pathAS24482SG.GSAS24482 SG.GS · edge network · 9 routesAS8218NEO-ASN ZayoInfrastructure France SAAS8218 NEO-ASN Zayo Infrastructure France SA · edge network · 7 routesT1AS6461Zayo BandwidthAS6461 Zayo Bandwidth · Tier 1 · 5 routesT2AS13030INIT7 Init7(Switzerland) Ltd.AS13030 INIT7 Init7 (Switzerland) Ltd. · Tier 2 · 4 routes154.209.21.0/24154.209.21.0/24

origin Tier 1Tier 2edge network prefix best path: chosen by 18 of 388 peers (5%) number on a line = peers using that link RIS data up to 07:59 UTC what the colours mean 12 of 287 paths drawn 6 quieter networks left out

View JSON Raw upstream

388collector peers
23RIS collectors
287distinct AS paths
2.5average AS hops, 1 to 4

Upstreams

Networks directly in front of the origin.

NetworkPeersShare
AS6939 Hurricane Electric LLC13034%
AS24482 SG.GS92%
AS1299 TWELVE99 Arelion Sweden AB82%
AS3356 Level 3 Parent, LLC82%
AS8218 NEO-ASN Zayo Infrastructure France SA72%
AS3257 GTT-BACKBONE GTT Communications Inc.72%
AS174 Cogent Communications, LLC72%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.62%
AS6461 Zayo Bandwidth51%
AS13030 INIT7 Init7 (Switzerland) Ltd.51%

Transit networks

Networks between the collector peer and the origin.

NetworkPeersShare
AS6939 Hurricane Electric LLC11229%
AS3356 Level 3 Parent, LLC82%
AS174 Cogent Communications, LLC72%
AS3257 GTT-BACKBONE GTT Communications Inc.62%
AS1299 TWELVE99 Arelion Sweden AB62%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.41%
AS6797 GLOBALCONNECT-NET GlobalConnect AB2<1%
AS9583 Sify Limited2<1%
AS34549 MEER-AS meerfarbig GmbH & Co. KG2<1%
AS2914 NTT America, Inc.2<1%

AS paths

Every distinct path the collector peers use, most common first. An ASN repeated to lengthen a path (a prepend) is shown once.

#Path, collector peer to originPeersShareCollectors
1AS6939AS23764185%16
2AS24482AS2376492%9
3AS2376472%6
4AS8218AS2376472%6
5AS6461AS2376451%5
6AS13030AS2376441%4
7AS12779AS2376441%4
8AS199524AS2376441%4
9AS47147AS2376441%4
10AS14840AS2376441%2
11AS48185AS237643<1%3
12AS2914AS237643<1%3
13AS49544AS237643<1%3
14AS14907AS237643<1%3
15AS34019AS237643<1%3
16AS25091AS237643<1%3
17AS48362AS237643<1%3
18AS34927AS6939AS237643<1%2
19AS9002AS3257AS237643<1%3
20AS50628AS237642<1%2
21AS3320AS237642<1%2
22AS25160AS237642<1%2
23AS62167AS237642<1%2
24AS42473AS237642<1%2
25AS3214AS237642<1%2
26AS1299AS237642<1%2
27AS37680AS237642<1%2
28AS212483AS237642<1%1
29AS8529AS237642<1%2
30AS15547AS237642<1%2
31AS47692AS237642<1%2
32AS51184AS237642<1%2
33AS35280AS237642<1%2
34AS6762AS237642<1%2
35AS51185AS237642<1%2
36AS35710AS237642<1%2
37AS59890AS6939AS237642<1%2
38AS202032AS6939AS237642<1%2
39AS19151AS6939AS237642<1%2
40AS24482AS6939AS237642<1%2
41AS199524AS6939AS237642<1%2
42AS271253AS6939AS237642<1%1
43AS20612AS6939AS237642<1%1
44AS49544AS6939AS237642<1%2
45AS31027AS6797AS237642<1%1
46AS142289AS9583AS6939AS237642<1%1
47AS202297AS237641<1%1
48AS50300AS237641<1%1
49AS29504AS237641<1%1
50AS3333AS237641<1%1

50 of 287 paths shown. All of them are in the JSON.

More prefixes from AS23764

Routes seen by RIPE RIS in the 24 hours up to 8 Nov 2026, 07:59 UTC, fetched just now.